Tuesday, December 30, 2008

PVRTC Textures & OpenGL resources from Apple

In a couple of earlier posts, I mentioned the use of PVRTC compressed images for OpenGL texture mapping. I don't know if this is new, or if I just failed to see them earlier, but Apple now has a technote on the format along with some sample code. These are both part of the iPhone Dev Center, so you'll need to be a member of the iPhone Dev program (free version okay) to access them.

Also, if you attended WWDC last year, the attendee site is still available so you can still download presentation materials. The Touch Fighter sample code from the session 703 is a great resource for wrapping your head around OpenGL (you can also get a copy of that if you go to one of the iPhone Tech Talks) If you have access to the WWDC video library, the video and presentations for sessions 708 and 703 are good OpenGL resources also.



4 comments:

jrock said...

to get the touch fighter code without a wwdc login - https://connect.apple.com/cgi-bin/WebObjects/MemberSite.woa/wa/getSoftware?fileID=24200. you will still need your developer id/pass to load the disk image.

Wolfgang Engel said...

POWERVR texture support is in the open-source Oolong engine even before the official SDK came out :-) ... there is also a particle system and other useful graphics techniques :-)

Sara Reid said...

I got into developing iPhone apps not long ago, and oddly enough the current iPhone project was actually born on the Windows platform. Game engine code is mostly designed to be platform neutral from the onset, in the hope of porting the project to other embedded devices.

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h4ns said...

What youre saying is completely true. I know that everybody must say the same thing, but I just think that you put it in a way that everyone can understand. I also love the images you put in here. They fit so well with what youre trying to say. Im sure youll reach so many people with what youve got to say.

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